E18c — Queen’s Indian: 7.Nc3 d6

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 d6 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plan principal. Jeu au centre (rupture c4-c5).

Atouts. Les Blancs s'appuient sur un contrôle dominant de f4, b5 et g5.

Côté adverse. Un mauvais fou en e7.

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1).

Plans. Qc2 (55 % des parties) ; d5 (Occuper le centre — 15 % des parties) ; Re1 (14 % des parties) ; b3 (Préparer le fianchetto — 10 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plan principal. Jeu au centre (rupture c7-c5).

Atouts. Les Noirs s'appuient sur un contrôle dominant de e4 et un fou actif en b7.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8 et la tour a8) et le fou e7 reste passif.

Plans. ...Nbd7 (Développer b8 — 58 % des parties) ; ...c5 (Frapper le centre adverse — 17 % des parties) ; ...e5 (Occuper le centre — 12 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● a7→b6, c7→b6, c7→d6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● b5 (2v0), ● g5 (2v0)	● e4 (2v1)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v1)	● d5 (3v2), ● e4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Ok (mob. 2)
Bb7		● Bb7 Actif (mob. 6)
Be7		● Be7 Mauvais (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	2 (● b8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	mobile
Ruptures	● c4-c5, ● d4-d5	● …c7-c5, ● …d6-d5, ● …e6-e5

Partie
1921 Budapest – Round ? – Gruenfeld, Ernst – 1-0 – Steiner, Endre – G59 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 d6 8. d5 e5 9. Nh4 Bc8 10. e4 g6
1921 Budapest – Round 1 – Sterk, Karoly – 1-0 – Vajda, Arpad – G31 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. c4 Be7 6. O-O O-O 7. Nc3 d6 8. b3 Nbd7 9. Bb2 Ne4 10. Qc2 f5
1922 GER-NLD – Round 2 – Schlage, Willi – 1-0 – Davidson, Jacques – G8 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 d6 8. Qc2 Nbd7 9. e4 d5 10. e5 Ne8
1926 BCF Ch 19th – Round 8 – Wheatcroft, George – 0-1 – Yates, Fred Dewhirst – G26 1. d4 Nf6 2. c4 b6 3. Nf3 Bb7 4. g3 e6 5. Bg2 Be7 6. O-O O-O 7. Nc3 d6 8. Qc2 Nbd7 9. Rd1 c5 10. e4 Qb8
1926 NED-ch06 – Round 8 – Schelfhout, Willem – 1/2-1/2 – Kroone, Gerard – G9 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. c4 O-O 7. Nc3 d6 8. Qc2 Nbd7 9. Rd1 c5 10. d5 exd5
1926 Spa – Round 8 – Davidson, Jacques – 1-0 – Koltanowski, George – G11 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 d6 8. Qc2 Nbd7 9. e4 Ne8 10. Be3 f5
1926 WECU Major Open 3rd – Round 8 – Goldstein, Maurice Edward – 1-0 – Blake, Joseph – G15 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 d6 6. O-O Be7 7. Nc3 O-O 8. Qc2 Nbd7 9. e4 Ne8 10. Be3 Bf6
1928 Prague Evony – Round 4 – Maksimovic, Eva – 1-0 – Dobias, Josef – G7 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 d6 8. Qc2 Nbd7 9. e4 e5 10. Re1 Re8
1930 Hamburg olm – Round 1 – Takacs, Sandor – 1-0 – Andersen Zargham, Ellene – G5 1. c4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. Nc3 O-O 7. d4 d6 8. Qc2 Nbd7 9. b3 Rc8 10. e4 c5
1931 Praag olm – Round 1 – Horowitz, Albert Israel – 1-0 – Przepiorka, Dawid – G25 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Nc3 d6 8. Qc2 Nbd7 9. Rd1 c5 10. e4 cxd4
1931 Praag olm – Round 1 – Rosselli del Turco, Stefano – 1/2-1/2 – Andersen Zargham, Ellene – G14 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. c4 O-O 7. Nc3 d6 8. Qc2 Nbd7 9. Rd1 Qe8 10. b3 a6
1933 Folkestone Olympiad 5th – Round 12.1 – Sultan Khan, Mir – 1-0 – Andersen, Erik – G101 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 d6 7. Nc3 O-O 8. Qc2 c5 9. d5 e5 10. Nh4 Nbd7
1933 Folkestone Olympiad 5th – Round 3.20 – Makarczyk, Kazimierz – 1/2-1/2 – Devos, Paul – G26 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 d6 8. Qc2 Nbd7 9. e4 e5 10. d5 Nh5
1933 New York – Round 3 – Levenstein, Mark – 1-0 – Fine, Reuben – G10 1. c4 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Nc3 d6 8. Qc2 Nbd7 9. e4 e5 10. b3 c6
1937 Teplitz-Schoenau – Round 2 – Opocensky, Karel – 1-0 – Grunwedl Herzog, Alexa – G7 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 d6 8. Qc2 Nbd7 9. e4 e5 10. b3 Qc8
1938 Paris L'Echiquier – Round 10 – Anglares, Emille – 0-1 – Gromer, Aristide – G26 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. O-O d6 8. Qc2 Nbd7 9. e4 e5 10. b3 a5
1938 USA Ch – Round 4 – Horowitz, Albert Israel – 1-0 – Cohen Revivo, Shoham – G15 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Nc3 d6 8. Qc2 Nbd7 9. e4 e5 10. Rd1 Qb8
1945 Mar del Plata – Round 8 – Letelier Martner, Rene – 0-1 – Giustina, Orestes – G25 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 d6 8. Qc2 Nbd7 9. Rd1 Qc8 10. e4 e5
1946 Leningrad – Round 1 – Petrosian, Tigran A. – 1-0 – Rovner, Dmitry – G18 1. Nf3 e6 2. d4 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 O-O 7. Nc3 d6 8. d5 Nbd7 9. dxe6 fxe6 10. Nd4 Bxg2
1946 Pittsburgh Open – Round 1 – Evans Lianda – 1/2-1/2 – Kramer, Hanspeter – G41 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. O-O d6 8. Qd3 Nbd7 9. Rd1 Qc8 10. b3 e5
1947 URS Ch, semi final – Round 11 – Mikenas, Vladas – 1/2-1/2 – Vasiljev, Aleksandr – G63 1. c4 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. d4 d6 8. d5 exd5 9. cxd5 c5 10. dxc6 Nxc6
1949 Berlin GER – Round 4 – Pfeiffer, Gerhard – 1-0 – Mross, Paul – G3 1. Nf3 Nf6 2. d4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 d6 7. Nc3 O-O 8. Qc2 Nbd7 9. e4 e5 10. Rd1 exd4
1950 DDR Ch – Round 4 – Zirngibl, Albert – 0-1 – Pietzsch, Wolfgang – G8 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. O-O d6 8. Qc2 Nbd7 9. e4 e5 10. h3 Re8
1951 Sopot – Round 13 – Ciejka, Tadeusz – 0-1 – Koch, Berthold – G79 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. c4 Be7 6. Nc3 O-O 7. d4 d6 8. Qc2 Nbd7 9. e4 e5 10. b3 exd4
1956 Montreal Ch – Round 3 – Zalys, Ignas – 1/2-1/2 – Davis, Eddie – G2 1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 d6 8. Qc2 Nbd7 9. e4 e5 10. Rd1 Qb8
1957 OWL Ch – Round 2 – Lachmann, Hans G – 1-0 – Illgen, Hans – G6 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qd1 d6 9. Nc3 Bb7 10. Qc2 Nbd7
1959 UKR Ch – Round 19 – Pogrebissky, Iosif – 0-1 – Sakharov, Yuri N – G145 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. c4 e6 5. O-O Be7 6. Nc3 O-O 7. d4 d6 8. Qc2 c5 9. dxc5 bxc5 10. Bf4 Qb6
1966 WchT U26 fin-A 13th – Round 1 – Sloth, Jorn – 1/2-1/2 – Pantazi, Emanuel A – G2 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. c4 e6 5. O-O Be7 6. d4 O-O 7. Nc3 d6 8. b3 Ne4 9. Bb2 f5 10. Qc2 Nxc3

E18c — Queen’s Indian (1921)

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 d6

Les coups candidats

8.Qc2 — 55.1% (743 parties)

Ambassadeurs : Artemchuk, Taras (3x), Zalys, Ignas (2x), Cafferty, Bernard (2x), Straka, Jozef (2x), Pelizzola, Danilo (2x), Laurusas, Tomas (2x), Ulyanovskyy, Vladimir (2x), Villar Reymundo, Juan Antonio (2x)

8.d5 — 14.9% (201 parties)

Ambassadeurs : Amigo Roman, Pedro (2x), Limberg, Siegfried (2x), ? (2x), Stoofvlees II d10 (2x), Hernandez Romero, Juan (1x), Karpov, Anatoly (1x), Redoglia, Agostino (1x), Long, Peter (1x)

8.Re1 — 14.1% (190 parties)

Ambassadeurs : Becerra, Ricardo (2x), Khechen, Nabil E (1x), Rodic-Kures, Gordana (1x), Jovanovic, Mirjana (1x), Kubikova, Hana (1x), Marino, Wascar (1x), De Winter Gallegos, Willy (1x), Sumar, Julio (1x)

8.b3 — 9.5% (128 parties)

Ambassadeurs : Sloth, Jorn (1x), Pantazi, Emanuel A (1x), Orel, Oskar (1x), Zedek, Alois (1x), Arrieta, Hector (1x), Zarnicki, Pablo (1x), Biyiasas, Peter (1x), Kaimo, Roberto E (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Qc2	8.d5	8.Re1	8.b3
<1800	135	45%	10%	16%	16%
1800-2200	823	58%	12%	16%	8%
2200-2600	217	51%	32%	7%	8%

Évolution par décennie (% des parties)

Décennie	N parties	8.Qc2	8.d5	8.Re1	8.b3
1950s	14	86%	—	—	—
1960s	4	50%	—	—	25%
1970s	19	74%	5%	5%	11%
1980s	40	45%	22%	10%	15%
1990s	204	56%	19%	12%	10%
2000s	401	56%	13%	15%	9%
2010s	559	55%	13%	14%	9%
2020s	107	46%	22%	17%	10%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Qc2	55%	46%	▼ -9.3%
8.d5	13%	22%	▲ +9.0%
8.Re1	14%	17%	▲ +2.3%
8.b3	9%	10%	▲ +0.8%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

8.Qc2 — 55.1% (743 parties)

1950 — Mueller, Claus vs Stein, Georg — 1-0 — Soemmerda GER
1950 — Zirngibl, Albert vs Pietzsch, Wolfgang — 0-1 — Soemmerda GER
1951 — Ciejka, Tadeusz vs Koch, Berthold — 0-1 — Sopot
1952 — Zalys, Ignas vs Rauch, Joseph Lyon — 0-1 — Quebec op
1952 — Cafferty, Bernard vs Samuels, Henry Alec — 1-0 — Bristol ENG

8.d5 — 14.9% (201 parties)

1971 — Vaganian, Rafael A vs Nikolic, Stanimir — 1/2-1/2 — Vrnjacka Banja SRB
1980 — Delabie, Jan vs Mollekens, Roeland — 1-0 — Sint-Niklaas
1981 — Zhang, Weida(SD) vs Wang, Li — 1/2-1/2 — Wenzhou
1982 — Karpov, Anatoly vs Redoglia, Agostino — 1/2-1/2 — Turin ITA
1985 — Amigo Roman, Pedro vs Hernandez Romero, Juan — 1-0 — Valladolid

8.Re1 — 14.1% (190 parties)

1970 — De Winter Gallegos, Willy vs Sumar, Julio — 0-1 — Siegen olm
1982 — Kubikova, Hana vs Marino, Wascar — 1/2-1/2 — Decin CZE
1986 — Khechen, Nabil E vs Becerra, Ricardo — 1-0 — Dubai olm
1986 — Rodic-Kures, Gordana vs Jovanovic, Mirjana — 1/2-1/2 — Sibenik
1986 — Barumba, Enoch vs Becerra, Ricardo — 1-0 — Dubai olm

8.b3 — 9.5% (128 parties)

1966 — Sloth, Jorn vs Pantazi, Emanuel A — 1/2-1/2 — Oerebro
1977 — Biyiasas, Peter vs Kaimo, Roberto E — 1-0 — New York, NY USA
1978 — Donev, Ivo vs Gunev, Zlatan — 0-1 — Ruse
1982 — Kueng, Ursula vs De Corte, Brenda — 1-0 — Lucerne SUI
1984 — Arrieta, Hector vs Zarnicki, Pablo — 1/2-1/2 — Menores de

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